It is designed for both novice and professionals. User-friendly interface shows clear & detailed directions. For novice, all work can be done with just 1 or 2 clicks, while for professionals, abundant options are available.

Ive been using Glary Utilities free version for years and have never had any issues. Has a great start-up manager along with many other useful programs. Just remember to uncheck the Ask toolbar options during the installation (unless you want it).